Derrick.



J. L. TAYLOR.

DERRICK.

APPLICATION FILED JULY 19,1911.

Patented July 9, 1912.

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J. L. TAYLOR.

DERRICK.

APPLIOATION FILED JULY 19,1911.

Patented July 9, 1912.

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J. L. TAYLOR.

DERRICK.

APPLICATION FILED JULY 19 Patented July 9, 1912.

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JOHN I1. TAYLOR, OF CHICAGO, ILLINOIS.

DERRICK.

Specification of Letters Patent.

Patented July 9, 1912.

Application filed July 19, 1911. Serial No. 639,364.

To all whom it may concern Be it known that I, JOHN L. TAYLOR, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Derricks; and I do hereby declare the following to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it appertains to make and. usethe same, reference being had to the accompanying drawings, and to the letters and figures of reference marked thereon,

which form a part of this specification.

This invention relates to new and useful improvements in derricks and the object in after fully described and then specifically defined in the appended claims.

I illustrate my invention in the accompanying drawings, in which Figure l is a perspective view of my device shown as applied to a platform and adapted to be held over the side wall of a gondola car. Fig. 2 is a sectional view through the wall of a car and showing the manner of adjustably holding the device in place. Fig. 3 is a sectional view through the lower portion of the standard of the derrick, showing means for holding a cable passing therethrough, and Fig. 4 is a bottom plan view showing a slightly modified form of the device when used independent of the platform. Fig. 5 is an elevation in section of a modification.

Reference now being had to the details of the drawings by letter, A designates a plat-- form having angle irons B fastened to the under surface thereof, and C designate brackets fastened to said angle irons and adapted to be positioned relative to the wall I) of a car in the manner shown in Fig. 2 of the drawings. Angle irons or beams E are mounted upon the platform, preferably in the manner shown, and are held in place by means of bolts E passing through the two sets of angle irons and the platform and are held in place by means of the winged nuts F. The angle bars H also serve to hold the beams E in place by means of the screws H and winged nuts H there on. A plate L is bolted or otherwise secured to the two beams E and upon which is supported the standard N of the derrick, said standard being provided with suitable braces N, the lower ends of which are fastened to the beams E and their upperends' to. the standard. A flange 0 projects from the standard at any suitable location and is adapted to support the anti-friction rollers Q which are journaled upon the pins Q carried by the arms J. The inner ends of the pins Q, are mounted in asemi-cylindrical bearin member Q the inner concaved surface of which. bears against the standard as the derrick turns. A yoke S, of which the arms J are an integral part, has a reel S journaled in arms S thereon and is provided with a plate S which is apertured at S for the reception of the upper end of the standard, a suitable flange S project- 'ing from the upper portion of the-standard and upon which the plate rests. The swinging beam S of the derrick is provided with pulleys S and a cable S passes about the pulleys and is adapted to wind upon the drum. An operating handle S is fastened to the spindle of the drum and a ratchet wheel S is fixed to the spindle of the drum and is engaged by a pawl P adapted to hold the reel from rotating in one direc tion.

Referring toFig. 2 of the drawings, it. will be seen that an adjustable bracket member T is provided which is held in one or another of the apertures T by means of the bolts T and the two brackets C and T are adapted to frictionally engage the side of a car, while a chain G is fastened to the under surface of the standard and is adapted to be secured to a car or any other object not shown.

In Figs. 3 and 4 of the drawings I have shown a slight modification of the apparatus in which the hoisting cable I may be passed through an opening I formed in the two angle beams I shown in dotted lines in Fig. l, and which angle beams are adapted to be supported upon any structure independent of the platform when it is desired to hoist objects by my improved derrick and in which modified form a plate M is provided which is fastened to the angle irons in any suitable manner and has a flange M fitting over the adjacent edges of the two meeting ends of the angle irons or beams,

and hangers W are pivotally mounted upon the pins V fastened to the plates WV WlllCll are held by screws W' to the beams of angle irons. Each of said hangers carries a pulley X which is adapted to frictionally engage the cable and held in such position by means of the coiled spring X secured to the lower ends of the hangers.

It is my purpose in the modified form to utilize a team or other suitable power which may be applied to the cable and, by the provision of the springs, the pulleys will hold the cable from slipping.

In Fig. 5 of the drawings, the cable is adapted to pass over the drum and centrally through the aperture and to be engaged by the friction rollers and thus held securely. Then the load is elevated, the horse or other power attached to the cable may be released and the load may be held by the ratchet and dogs until the load is swung to the desired place, afterwhich by releasing the pawls the load may be lowered by operating the crank.

What I claim to be new is 1. A derrick comprising a standard and means for supporting the same, flanges projecting from the circumference of the standard and spaced apart, a swinging beam with arms thereon, a yoke to which said beam is fastened, anti-friction rollers carried by said arms and mounted upon one of said flanges, an apertured plate forming a part of said yoke and engaging loosely over the upper portion of the standard and resting upon one of said flanges, a drum journaled in said yoke, pulleys upon the beam, and a cable passingabout said pulleys and drum.

2. A derrick comprising a standard and means for supporting the same, flanges projecting from the circumference of the standard and spaced apart, a swinging beam with arms thereon, a yoke to which said beam is fastened, anti-friction rollers carried by sa1d arms and mounted upon one of sa1d flanges,

a semi-cylindrical bearing member between said arms and bearing against the standard, an apertured plate upon the yoke receiving the upper end of the standard and resting upon one of said flanges, a drum journaled upon the yoke, and pulleys upon the beam, and a cable adapted to pass about the pulleys and drum.

3. A derrick comprising a hollow standard, a swinging beam mounted thereon, a yoke carried by the beam, a drum upon said yoke, a cable passing about the drum and through the standard, hangers fastened at the bottom of the standard, friction pulleys mounted upon the hangers, a spring connecting the hangers and adapted to hold the friction pulleys against the cable.

4. A derrick comprising angled beams which are apertured, a hollow standard rising from said beams, a yoke supported by the standard, a drum upon the yoke, a cable passing about the drum and through apertures beneath the standard in said beams, hangers pivoted to the under surface of the beams on the opposite sides of said apertures, friction pulleys carried by the hangers and between which pulleys said cable passes and a spring holding the pulleys JOHN L. TAYLOR.

Witnesses WILFRID PALEY, S. SNYDER.

, Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, I). G. 

